Fixed some event logic in Aonach Tailteann chain

Seemed more likely that characters were supposed to be less likely to win athletic/combat events if they _were_ dwarves/weak/ill than if they weren't.
Reinstated distance limit on foreign adventures

Vikings invading Baluchistan is funny but probably should not happen.
Reinstating foreign adventure distance limits

Missed a spot.
Merge pull request #224 from DallanInvictus/patch-1

Fixed some event logic in Aonach Tailteann chain and restored foreign adventure distance limits